[The crusade for health: sanitary campaigns of the first third of the 20th century in the construction of the culture of health].

From the clarification of the origin and historical development of two of the most impressive health campaigns of the first third of the twentieth century, those against tuberculosis and to prevent infant mortality, an evaluation is sought from a long range view. Their contribution to the modern configuration of health as well as to the genesis of several regular traits of today's community and family medicine are pointed out.